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    malF maltose ABC transporter membrane subunit MalF [ Escherichia coli str. K-12 substr. MG1655 ]

    Gene ID: 948532, updated on 19-Sep-2024

    Summary

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    Official Symbol
    malF
    Official Full Name
    maltose ABC transporter membrane subunit MalF
    Primary source
    ECOCYC:EG10555
    Locus tag
    b4033
    See related
    ASAP:ABE-0013195
    Gene type
    protein coding
    RefSeq status
    PROVISIONAL
    Organism
    Escherichia coli str. K-12 substr. MG1655 (strain: K-12, substrain: MG1655)
    Lineage
    Bacteria; Pseudomonadota; Gammaproteobacteria; Enterobacterales; Enterobacteriaceae; Escherichia
    Also known as
    ECK4025
    Summary
    The maltose transport complex MalFGK(2) also transports maltodextrin. [More information is available at EcoGene: EG10555]. MalF is an integral membrane component of the maltose ABC transporter. [More information is available at EcoCyc: EG10555].
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    Genomic context

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    Sequence:
    NC_000913.3 (4243531..4245075, complement)

    NC_000913.3Genomic Context describing neighboring genes Neighboring gene D-xylose:H(+) symporter Neighboring gene ncRNA Neighboring gene maltose ABC transporter membrane subunit MalG Neighboring gene maltose ABC transporter periplasmic binding protein Neighboring gene maltose ABC transporter ATP binding subunit

    Genomic regions, transcripts, and products

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    Genomic Sequence:
    NC_000913.3

    Go to nucleotide: Graphics FASTA GenBank

    Bibliography

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    Related articles in PubMed

    1. Conversion of beta-galactosidase to a membrane-bound state by gene fusion. Silhavy TJ, et al. Proc Natl Acad Sci U S A, 1976 Oct. PMID 790385, Free PMC Article
    2. Labeling of proteins with beta-galactosidase by gene fusion. Identification of a cytoplasmic membrane component of the Escherichia coli maltose transport system. Shuman HA, et al. J Biol Chem, 1980 Jan 10. PMID 6765939
    3. NMR assignments of the periplasmic loop P2 of the MalF subunit of the maltose ATP binding cassette transporter. Jacso T, et al. Biomol NMR Assign, 2009 Jun. PMID 19636938
    4. Structural and functional characterization of a maltose/maltodextrin ABC transporter comprising a single solute binding domain (MalE) fused to the transmembrane subunit MalF. Licht A, et al. Res Microbiol, 2019 Jan-Feb. PMID 30193862
    5. Context-dependent effects of charged residues in transmembrane segments of MalF-PhoA fusions. Ehrle R, et al. Res Microbiol, 2003 Nov. PMID 14596903

    See all (170) citations in PubMed

    GeneRIFs: Gene References Into Functions

    What's a GeneRIF?
    1. The Bdellovibrio bacteriovorus and the E. coli MelF share substrate specificity for maltose and linear dextrins.
      Title: Structural and functional characterization of a maltose/maltodextrin ABC transporter comprising a single solute binding domain (MalE) fused to the transmembrane subunit MalF.
    2. Data indicate that MalFGK2 transporter is comprised of two membrane proteins, MalF and MalG, and the nucleotide-binding domain, which controls the conformation of MalFG, is composed of the homodimeric MalK subunit.
      Title: Formation of a Chloride-conducting State in the Maltose ATP-binding Cassette (ABC) Transporter.
    3. Data suggest that the binding and conformational change of maltose transporter (MalFGK2) may provide some insights into the understanding of the mechanism of ABC transporters.
      Title: Allosteric transitions of the maltose transporter studied by an elastic network model.
    4. The molecular entity that interacts with MalT is not free MalK, but the maltose transporter, MalFGK(2) , which sequesters MalT to the membrane.
      Title: The ABC transporter MalFGK(2) sequesters the MalT transcription factor at the membrane in the absence of cognate substrate.
    5. using x-ray crystallography, study captured the maltose transporter in an intermediate step between the inward- and outward-facing states
      Title: Crystal structure of the maltose transporter in a pretranslocation intermediate state.
    6. analysis of the MalFGK2 mechanism for coupling ATP hydrolysis to substrate translocation without direct recognition of substrate
      Title: Studies of the maltose transport system reveal a mechanism for coupling ATP hydrolysis to substrate translocation without direct recognition of substrate.
    7. YidC supports the folding of MalF into a stable conformation before it is incorporated into the maltose transport complex
      Title: Biogenesis of MalF and the MalFGK(2) maltose transport complex in Escherichia coli requires YidC.
    8. substrate availability is communicated from MalE to the MalK dimer via extracytoplasmic loops of MalFG
      Title: Maltose binding protein (MalE) interacts with periplasmic loops P2 and P1 respectively of the MalFG subunits of the maltose ATP binding cassette transporter (MalFGK(2)) from Escherichia coli/Salmonella during the transport cycle.
    9. 2.8-A crystal structure of the intact maltose transporter in complex with the maltose-binding protein, maltose and ATP
      Title: Crystal structure of a catalytic intermediate of the maltose transporter.
    10. ATP-driven MalK dimer closure and reopening are crucial steps in the translocation cycle of the intact maltose transporter MalFGK2
      Title: ATP-driven MalK dimer closure and reopening and conformational changes of the "EAA" motifs are crucial for function of the maltose ATP-binding cassette transporter (MalFGK2).
    Submit: New GeneRIF Correction

    Interactions

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    Products Interactant Other Gene Complex Source Pubs Description

    General gene information

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    Homology

    Gene Ontology Provided by EcoCyc

    Function Evidence Code Pubs
    enables ABC-type maltose transporter activity IBA
    Inferred from Biological aspect of Ancestor
    more info
    		  
    enables ABC-type maltose transporter activity IDA
    Inferred from Direct Assay
    more info
    		 PubMed 
    enables protein binding IPI
    Inferred from Physical Interaction
    more info
    		 PubMed 
    Process Evidence Code Pubs
    acts_upstream_of_or_within DNA damage response IEP
    Inferred from Expression Pattern
    more info
    		 PubMed 
    involved_in maltodextrin transmembrane transport IBA
    Inferred from Biological aspect of Ancestor
    more info
    		  
    acts_upstream_of_or_within maltodextrin transmembrane transport IDA
    Inferred from Direct Assay
    more info
    		 PubMed 
    involved_in maltodextrin transmembrane transport IDA
    Inferred from Direct Assay
    more info
    		 PubMed 
    involved_in maltose transmembrane transport IEA
    Inferred from Electronic Annotation
    more info
    		  
    acts_upstream_of_or_within maltose transport IDA
    Inferred from Direct Assay
    more info
    		 PubMed 
    involved_in negative regulation of maltose transport NAS
    Non-traceable Author Statement
    more info
    		 PubMed 
    involved_in negative regulation of transmembrane transport NAS
    Non-traceable Author Statement
    more info
    		 PubMed 
    involved_in transmembrane transport IEA
    Inferred from Electronic Annotation
    more info
    		  
    Component Evidence Code Pubs
    part_of ATP-binding cassette (ABC) transporter complex IDA
    Inferred from Direct Assay
    more info
    		 PubMed 
    part_of enzyme IIA-maltose transporter complex IPI
    Inferred from Physical Interaction
    more info
    		 PubMed 
    part_of maltose transport complex IBA
    Inferred from Biological aspect of Ancestor
    more info
    		  
    part_of maltose transport complex IDA
    Inferred from Direct Assay
    more info
    		 PubMed 
    part_of maltose transport complex IPI
    Inferred from Physical Interaction
    more info
    		 PubMed 
    located_in membrane IDA
    Inferred from Direct Assay
    more info
    		 PubMed 
    located_in membrane IEA
    Inferred from Electronic Annotation
    more info
    		  
    located_in plasma membrane IDA
    Inferred from Direct Assay
    more info
    		 PubMed 
    located_in plasma membrane IEA
    Inferred from Electronic Annotation
    more info
    		  
    located_in plasma membrane ISM
    Inferred from Sequence Model
    more info
    		 PubMed 

    General protein information

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    Preferred Names
    maltose ABC transporter membrane subunit MalF
    NP_418457.1

    NCBI Reference Sequences (RefSeq)

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    Genome Annotation

    The following sections contain reference sequences that belong to a specific genome build. Explain

    Reference assembly

    Genomic

    1. NC_000913.3 Reference assembly

      Range
      4243531..4245075 complement
      Download
      GenBank, FASTA, Sequence Viewer (Graphics)

    mRNA and Protein(s)

    1. NP_418457.1 maltose ABC transporter membrane subunit MalF [Escherichia coli str. K-12 substr. MG1655]

      See identical proteins and their annotated locations for NP_418457.1

      Status: PROVISIONAL

      UniProtKB/TrEMBL
      A0A377A981
      Conserved Domains (1) summary
      PRK10999
      Location:1 → 514
      malF; maltose ABC transporter permease MalF
    Nucleotide Protein
    Heading Accession and Version

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